<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>reg</title>
</head>
<body>
<h1>注册页面</h1>
<form action="/reg">
    <input type="text" name="username" placeholder="请输入用户名">
    <input type="password" name="username" placeholder="请输入密码">
    <input type="button" value="注册">
</form>
</body>
</html>